net/mlx5: Expose packet based credit mode

Packet based credit mode bit determines whether the credit mode
is done per message or packet. Expose the QP creation flag and
the HCA capability.
Signed-off-by: NDanit Goldberg <danitg@mellanox.com>
Reviewed-by: NMajd Dibbiny <majd@mellanox.com>
Signed-off-by: NLeon Romanovsky <leonro@mellanox.com>

include/linux/mlx5/mlx5_ifc.h

@@ -1047,7 +1047,8 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 	u8         vector_calc[0x1];
 	u8         umr_ptr_rlky[0x1];
 	u8	   imaicl[0x1];
-	u8         reserved_at_232[0x4];
+	u8	   qp_packet_based[0x1];
+	u8         reserved_at_233[0x3];
 	u8         qkv[0x1];
 	u8         pkv[0x1];
 	u8         set_deth_sqpn[0x1];
@@ -2259,7 +2260,8 @@ struct mlx5_ifc_qpc_bits {
 	u8         st[0x8];
 	u8         reserved_at_10[0x3];
 	u8         pm_state[0x2];
-	u8         reserved_at_15[0x3];
+	u8         reserved_at_15[0x1];
+	u8         req_e2e_credit_mode[0x2];
 	u8         offload_type[0x4];
 	u8         end_padding_mode[0x2];
 	u8         reserved_at_1e[0x2];